/*
 * uapi_ashmem.h
 *
 *  Created on: 2018-3-9
 *      Author: fanghr
 */

#ifndef UAPI_ASHMEM_H_
#define UAPI_ASHMEM_H_

#include <linux/ioctl.h>

#define ASHMEM_NAME_LEN 256
#define ASHMEM_NAME_DEF "dev/ashmem"

#define ASHMEM_NOT_PURGED	0
#define ASHMEM_WAS_PURGED	1

#define ASHMEM_IS_UNPINNED	0
#define ASHMEM_IS_PINNED	1

struct ashmem_pin {
	__u32 offset;
	__u32 len;
};

#define __ASHMEMIOC 0X67

#define ASHMEM_SET_NAME			_IOW(__ASHMEMIOC, 1, char[ASHMEM_NAME_LEN])
#define ASHMEM_GET_NAME			_IOR(__ASHMEMIOC, 2, char[ASHMEM_NAME_LEN])
#define ASHMEM_SET_SIZE			_IOW(__ASHMEMIOC, 3, size_t)
#define ASHMEM_GET_SIZE			_IO(__ASHMEMIOC, 4)
#define ASHMEM_SET_PROT_MASK	_IOW(__ASHMEMIOC, 5, unsigned long)
#define ASHMEM_GET_PROT_MASK	_IO(__ASHMEMIOC, 6)
#define ASHMEM_PIN				_IOW(__ASHMEMIOC, 7, struct ashmem_pin)
#define ASHMEM_UNPIN			_IOW(__ASHMEMIOC, 8, struct ashmem_pin)
#define ASHMEM_GET_PIN_STATUS	_IO(__ASHMEMIOC, 9)
#define ASHMEM_PURGE_ALL_CACHES	_IO(__ASHMEMIOC, 10)

#endif /* UAPI_ASHMEM_H_ */
